Social Accounts Industry Balance Sheet Demands Definitions

What exactly do the column labels mean in regards to the commodities they're presenting ? I'm fine with layman term, most of these are not in the glossary and I don't want to misinform my analysis at the data level.

Gross Absorption = the proportion of Total Industry Output for this industry that goes toward purchases of each commodity. Gross Absorption is calculated as Gross Inputs/Total Industry Output. Total Gross Absorption will be less than one, with the remainder of Total Industry Output going toward Value-Added.

Gross Inputs = the value that this industry spends on each commodity.

RPC = the proportion of local demand for the commodity that is currently met by local production. This is the same value as that found in the View By: Commodity Summaryscreen.

Regional Absorption = the proportion of Total Industry Output for this industry that goes toward local purchases of each commodity. Regional Absorption can be calculated as Gross Absorption * RPC.

Regional Inputs = the value that this industry spends locally on each commodity. Regional Inputs can be calculated as Gross Inputs * RPC.